SensorManagerLeakActivity.java

package pl.pszklarska.leakexample;

public class SensorManagerLeakActivity extends AppCompatActivity implements SensorEventListener {

    @Override
    protected void onCreate(@Nullable final Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
        Sensor lightSensor = sensorManager.getDefaultSensor(Sensor.TYPE_LIGHT);
        sensorManager.registerListener(this, lightSensor, SensorManager.SENSOR_DELAY_NORMAL);
    }
}